US stocks & ETFs · email alerts · free to start

Stop finding out after the move.

No app to open. No charts to babysit. Set a price target or a % swing once — Computo watches the US market and emails you when it hits.

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Free tier · upgrade only when you outgrow it

Inbox · just now
[email protected] Triggered

NVDA crossed your price target

$142.30 +3.8% ▲
Target: $140.00Today 14:32 ET

You asked to know when NVDA hit $140. It did.

Illustrative example

RO Read-only. We never connect to your brokerage — alerts only.
$0 No card to start. Build a watchlist and set alerts on the free tier.
✉ Email only. No app to keep open, no dashboard to babysit. Cooldowns prevent spam.

Built to be quiet and exact.

Alerts you can trust to fire once, on time, and never spam you.

⏱

Cooldowns, not noise

One alert per trigger, then a cooldown. A stock hovering at your target won't flood your inbox — you get the signal, not 50 emails.

ET

Market-hours & date aware

Prices checked against US market hours, timestamps in ET. Pro subscribers also get a daily digest of upcoming earnings and ex-dividend dates on their watchlist.

How it works

1

Add assets

Search US stocks and ETFs and add them to your watchlist.

2

Set alerts

Pick a price target, a % move, or a ratio between two symbols.

3

Get notified

We watch the market for you and email you when your condition is met.

Start free. Upgrade when you're ready.

No credit card to start. Pro unlocks unlimited alerts, personal notes, portfolios, and watchlist digests.

Free

Learn the workflow — no credit card required

$0 forever

Alerts & watchlist

  • Up to 5 active alerts Set price targets, daily % moves, and ratio rules on your core tickers.
  • 10-symbol watchlist Follow the US stocks and ETFs you check most often.
  • Price, % & ratio alerts Absolute targets, daily swings, and cross-asset ratio crosses.

Delivery

  • Email when it triggers No app to babysit — one email per hit with cooldowns to prevent spam.
Start free
Most popular

Pro — Monthly

For investors who can't afford to miss a move

$3 /month

Everything in Free, plus:

Scale

  • Unlimited active alerts No cap as your strategy and watchlist grow.
  • Unlimited watchlist Track every ticker in your universe without trimming the list.

Pro tools

  • Personal alert notes Add context to each rule — why you set it and what you'll do when it fires.
  • Watchlist milestone digest Daily email with upcoming earnings and ex-dividend dates on assets you follow.

Portfolio

  • Brokerage portfolios Track positions across up to 3 accounts with live totals.
Go Pro

Pro — Annual

For investors who can't afford to miss a move

$28.80 /year Save 20%

Everything in Free, plus:

Scale

  • Unlimited active alerts No cap as your strategy and watchlist grow.
  • Unlimited watchlist Track every ticker in your universe without trimming the list.

Pro tools

  • Personal alert notes Add context to each rule — why you set it and what you'll do when it fires.
  • Watchlist milestone digest Daily email with upcoming earnings and ex-dividend dates on assets you follow.

Portfolio

  • Brokerage portfolios Track positions across up to 3 accounts with live totals.
Go Pro — annual
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  • Cancel anytime
  • Payments via Creem

Set your first alert in under a minute.

Add a ticker, pick a target, close the tab. Free tier, no card — we'll email you when it's time to look.

Start free — no card